STMicroelectronics VNS14NV04P-E

Overview

VNS14NV04P-E from STMicroelectronics is a monolithic VIPower™ M0-based fully autoprotected high-side Power MOSFET switch, integrating linear current limitation (12 A typ.), thermal shutdown (150–200 °C), overvoltage clamp (40 V), and diagnostic feedback via the input pin. It replaces standard N-channel MOSFETs in DC–50 kHz industrial load switching applications such as solenoid drivers and motor phase control.

For engineers reviewing the VNS14NV04P-E datasheet, VNS14NV04P-E pinout, VNS14NV04P-E application, or VNS14NV04P-E equivalent, this device delivers verified fault detection, rugged unclamped inductive switching capability (400 mJ avalanche energy), and analog gate access for precise current-controlled operation - critical for robust 12 V/24 V embedded power stages.

Technical Context

The VNS14NV04P-E implements a high-side switch architecture with direct gate access, enabling analog driving and linear-mode current regulation. Its internal protection logic senses junction temperature, drain current, and drain-source voltage independently of input drive conditions.

Clamp activation occurs at 36 V threshold (VCLTH), limiting VDS to 40–55 V under overvoltage transients; current limiting engages at 12 A (typ.) with 45 µs step response, and thermal shutdown triggers between 150–200 °C with automatic restart at ~135 °C.

Key Specifications

Pinout & Package

Supplied in SO-8 package with exposed DRAIN pads (pins 1–4 and 5–8 connected internally to DRAIN). Thermal performance optimized for PCB copper area ≥0.5 cm² (R_thj-amb ≤90 °C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-side protected switch applications.

Compared with STSPIN250 and IPS1025H, the VNS14NV04P-E uniquely combines analog gate control, integrated clamp, and single-pin diagnostic feedback - making it optimal for cost-sensitive, thermally constrained 12–24 V systems requiring self-protecting linear-mode operation without added sensing circuitry.

Availability

VNS14NV04P-E is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC output stages, smart lighting ballasts, and medical infusion pump motor control requiring stable component supply and long-term lifecycle support.

Supply support for VNS14NV04P-E includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing silicon solutions for automotive, industrial, and power management applications.

The VNS14NV04P-E belongs to ST's OMNIFET II family of VIPower™ protected high-side switches, engineered specifically for rugged, self-monitoring DC load control in harsh environments without external protection components.

FAQ

Can the VNS14NV04P-E be used in parallel for higher current?

No - the VNS14NV04P-E lacks built-in current-sharing features like matched R_DS(on) or thermal coupling. Parallel operation risks current imbalance due to parametric spread and unequal thermal resistance, potentially causing premature failure of one device. For >12 A, use a single higher-rated part or implement external current balancing.

What is the maximum recommended PCB copper area for SO-8 thermal performance?

Per ST's thermal data, maximum benefit is achieved with ≥1.6 cm² of 35 µm-thick copper connected to all DRAIN pins. At this area, R_thj-amb improves to ~70 °C/W (vs. 90 °C/W at 0.5 cm²), enabling 2.5× higher continuous current in free-air conditions without forced cooling.

Does the diagnostic feedback require a pull-up resistor on the INPUT pin?

Yes - a 10 kΩ pull-up to 5 V is recommended. During normal operation, the INPUT pin draws only 100–150 µA. Under thermal fault, the device sinks 10–20 mA; without sufficient pull-up, the pin voltage collapses to near 0 V, providing clear open-drain fault signaling to the host controller.

Is the VNS14NV04P-E qualified for automotive applications per AEC-Q100?

No - the VNS14NV04P-E is not AEC-Q100 qualified. ST offers automotive-grade variants (e.g., VNQ5E050AK) with full qualification. This part is intended for industrial, commercial, and medical equipment where extended temperature range and robustness are required, but formal automotive qualification is not mandated.